智南针

I译+ ，一个可信赖的专利翻译服务平台

知识产权法律法规

知呱呱专利质量评估专利管理专利交易全球专利查询检索平台

注意！单位、企业、机构招聘请发完整简历JD到思博人才招聘网：

专利查询,专利检索,专利下载,中国专利下载,专利号查询,cnipr,中国专利,发明,实用新型,外观,专利申请

The WIPO collection of intellectual property material for both experts and those new to the field. Includes publications, databases, statistics, multimedia and more.

This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.